Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
new communication » de communication, ec communication, et communication
technologie road » technology road, technologie und, technologie 3d
10 developing » 1 developing, 3 developing, 4 developing
developing de » developing e, developing ce, developing deep
de africa » does africa, de america, use africa
cost 10 » cost 12, cost 15, cost 1.2

You may be able to get more results by adjusting your search query.

• Adding a wildcard symbol may retrieve word variants: technologie road information contents _ new communication cost 10 developing de africa.*.